Drinking cup



FIG. 1 is a top perspective view of a drinking cup showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 a side view thereof;

FIG. 5 is an opposite side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM We claim the ornamental design for a drinking cup, as shown and described. 